Pith Number

pith:IJUFLZME

pith:2016:IJUFLZMETGHZXPCKIDOJWHGWML

not attested not anchored not stored refs pending

Sublinear scaling of country attractiveness observed from Flickr dataset

Alexander Belyi, Carlo Ratti, Iva Bojic, Ivana Nizetic-Kosovic, Stanislav Sobolevsky, Vedran Podobnik

arxiv:1601.02306 v1 · 2016-01-11 · cs.SI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IJUFLZMETGHZXPCKIDOJWHGWML}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:11:57.693914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

426855e584998f9bbc4a40dc9b1cd662c78a1915d56af2cc0a847b2406684981

Aliases

arxiv: 1601.02306 · arxiv_version: 1601.02306v1 · doi: 10.48550/arxiv.1601.02306 · pith_short_12: IJUFLZMETGHZ · pith_short_16: IJUFLZMETGHZXPCK · pith_short_8: IJUFLZME

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IJUFLZMETGHZXPCKIDOJWHGWML \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 426855e584998f9bbc4a40dc9b1cd662c78a1915d56af2cc0a847b2406684981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2b42af93c08573e86ba2e418cd164cc6f9802f3a2f20d62ebb86a04ffd321b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2016-01-11T02:41:20Z",
    "title_canon_sha256": "3466e1e067030abcca26ef956885ab1b157dcb8f323dfae4245d684d377453a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02306",
    "kind": "arxiv",
    "version": 1
  }
}